Player Page

Jonker, K (Keola)
Dob: 2003/06/17 (Adult)
Gender: Female
Chess SA id: 203014307
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2021/10/30 (1043 days ago)
Ratings
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating1459.0
Current Weighted rating1429.1
Current Weighted performance662.4
Current official/published rating (highest between Raw, WR and WP)1459.0
Current highest rating achieved1514.1
Current floor (min rating allowed)1014.1
Current K-factor32
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±114.6
Current Raw change used (final)0.0
Projected new Raw rating1459.0
Projected new Weighed rating1316.1
Projected new Weighted performance662.4
Projected new final Raw rating (if new WP > new Raw)1459.0
Projected new highest rating1514.1
Projected new floor1014.1
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1459.0
Projected effective change (new Official - current Official)=0.0
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating1435.9
Current Weighted rating1405.6
Current Weighted performance662.4
Current official/published rating (highest between Raw, WR and WP)1435.9
Current highest rating achieved1522.1
Current floor (min rating allowed)1022.1
Current K-factor32
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±118.5
Current Raw change used (final)0.0
Projected new Raw rating1435.9
Projected new Weighed rating1294.5
Projected new Weighted performance662.4
Projected new final Raw rating (if new WP > new Raw)1435.9
Projected new highest rating1522.1
Projected new floor1022.1
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1435.9
Projected effective change (new Official - current Official)=0.0
s
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating1169.1
Current Weighted rating1169.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1169.1
Current highest rating achieved1169.1
Current floor (min rating allowed)669.1
Current K-factor40
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±173.3
Current Raw change used (final)0.0
Projected new Raw rating1169.1
Projected new Weighed rating1075.6
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1169.1
Projected new floor669.1
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1169.1
Projected effective change (new Official - current Official)=0.0
Raw rating=Current rating, Weighted rating (WR)=Weighted average of current/new Raw rating + last 23 published Raw ratings), Weighted performance (WP)=Weighted average of last 5 tournaments
Current Raw rating1169.1
Current Weighted rating1169.1
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1169.1
Current highest rating achieved1169.1
Current floor (min rating allowed)669.1
Current K-factor40
Games played this month0
Score (S)0.0
Expected score (We)0.00
Difference (S-We)0.00
Current Raw change (no limits, including tournament time weight)0.0
Current min/max change allowed (with limits)±173.3
Current Raw change used (final)0.0
Projected new Raw rating1169.1
Projected new Weighed rating1075.6
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1169.1
Projected new floor669.1
Projected new K-facor40
Projected new official/published rating (highest between new Raw, new WR and new WP)1169.1
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
Did not participate this year.
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
23 JMC Everest 2021 (B) 2021/10/30 2021/10/30 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 1368.3 1338.4 Analysis
22 JNW Club - Trinityhouse Randpark Ridge Open 2020 (A) 2020/02/22 2020/02/22 Johannesburg Metro (GJM) Standard 60 0.83 5 5 1.0 1431.8 1426.4 Analysis
21 JNW Club - Bryanston Open1 2020 (A) 2020/02/01 2020/02/01 Johannesburg Metro (GJM) Standard 60 0.83 5 4 0.0 1431.8 1426.4 Analysis
20 2019 South African Junior Team Championships (U18A) 2020/01/04 2020/01/08 4 Knights (4K) Standard 120 1.00 7 7 3.0 1450.4 1445.6 Analysis
19 JNW Chess Club - Muldersdrif 2019 (A) 2019/10/18 2019/10/18 Johannesburg Metro (GJM) Standard 60 0.83 5 5 0.0 1514.1 1522.1 Analysis
18 JHB Metro Closed 2019 (Open) 2019/07/27 2019/07/28 Johannesburg Metro (GJM) Standard 90 0.94 6 6 3.5 1376.3 1374.7 Analysis
17 JNW Club - Helpmekaar Kollege Open 2019 (B) 2019/07/06 2019/07/06 Johannesburg Metro (GJM) Standard 60 0.83 5 5 5.0 1376.3 1374.7 Analysis
16 JNW Club - Hoerskool Linden 2019 (B) 2019/06/15 2019/06/15 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 1369.4 1363.5 Analysis
15 2019 South African Junior Closed Chess Championship (U16 Girls) 2019/03/17 2019/03/22 Chess South Africa (CSA) Standard 120 1.00 9 9 5.0 1345.4 1336.0 Analysis
14 JNW Club - Trinityhouse Little Falls Open 2019 (A) 2019/02/23 2019/02/23 Johannesburg Metro (GJM) Standard 60 0.83 5 5 0.5 1385.0 1381.1 Analysis
13 2019 Constantia Park Open (A) 2019/02/09 2019/02/09 Tshwane (GTP) Standard 60 0.83 5 5 1.5 1385.0 1381.1 Analysis
12 JNW Club - Bryanston Open 1 2019 (B) 2019/01/26 2019/01/26 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 1407.3 1409.3 Analysis
11 Boksburg Open 2019 (A) 2019/01/19 2019/01/19 Ekurhuleni (GE) Standard 60 0.83 5 5 0.5 1407.3 1409.3 Analysis
10 South African Junior Team Championships 2018 (U16B) 2018/12/16 2018/12/20 4 Knights (4K) Standard 120 1.00 7 7 6.0 1392.5 1392.4 Analysis
9 JNW Club - Helpmekaar Open 2018 (B) 2018/09/15 2018/09/15 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 1289.3 1287.4 Analysis
8 JNW Club - Muldersdrif Open 2018 (B) 2018/08/18 2018/08/18 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1206.6 1199.5 Analysis
7 JNW Club - Maragon Open 2018 (B) 2018/08/04 2018/08/04 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 1206.6 1199.5 Analysis
6 JHB Metro Junior Closed 2018 (U16) 2018/07/28 2018/07/29 Johannesburg Metro (GJM) Standard 90 0.94 6 6 3.5 1133.3 1119.5 Analysis
5 2018 South African Junior Closed Chess Championships (U16 Girls) 2018/04/01 2018/04/07 Chess South Africa (CSA) Standard 120 1.00 11 10 5.0 1068.9 1053.5 Analysis
4 JNW Club - Northriding College Open 2018 (A) 2018/03/09 2018/03/10 Johannesburg Metro (GJM) Standard 60 0.83 6 6 1.5 1173.8 1185.5 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Standard All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Rapid All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Blitz All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 130 57 13 60 63.5 48.8 -9.8 1331.2 1321.4
White 69 33 6 30 36.0 52.2 18.5 1309.4 1327.8
Black 61 24 7 30 27.5 45.1 -41.8 1355.8 1314.0
Standard All 130 57 13 60 63.5 48.8 -9.8 1331.2 1321.4
White 69 33 6 30 36.0 52.2 18.5 1309.4 1327.8
Black 61 24 7 30 27.5 45.1 -41.8 1355.8 1314.0
Rapid All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Blitz All 0 0 0 0 0.0 0.0 0.0 0.0 0.0
White 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Black 0 0 0 0 0.0 0.0 0.0 0.0 0.0
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 203034366 Shaw, LA (Laurie Ann) 4 1.5 1 1 2 37.5 1416.9 -106.3 1310.7 View list
2 104056090 Weisz, B (Benjamin) 3 1.5 0 3 0 50.0 1198.8 0.0 1198.8 View list
3 156017226 Laureles, R (Raymundo) 3 1.0 1 0 2 33.3 1336.2 -141.7 1194.5 View list
4 108076196 Potgieter, E (Edward) 3 1.0 1 0 2 33.3 1337.6 -141.7 1196.0 View list
5 203010232 Gardiner, N (Noa) 3 0.0 0 0 3 0.0 1443.6 -425.0 1018.6 View list
6 103084778 Njoku, G (Greatman) 2 2.0 2 0 0 100.0 1332.8 425.0 1757.8 View list
7 209092675 Ramlall, S (Sanjana) 2 2.0 2 0 0 100.0 1372.8 425.0 1797.8 View list
8 101056844 Rust, A (Alrich) 2 2.0 2 0 0 100.0 1158.0 425.0 1583.0 View list
9 107077218 Lake, E (Ethan) 2 1.0 1 0 1 50.0 1388.3 0.0 1388.3 View list
10 102067690 Carlinsky, R (Ruan) 2 0.5 0 1 1 25.0 1158.0 -212.5 945.5 View list
11 106053297 Govender, S (Shevern) 2 0.5 0 1 1 25.0 1306.9 -212.5 1094.4 View list
12 103032106 Reyneke, PJ (Pieter) 2 0.5 0 1 1 25.0 1309.8 -212.5 1097.3 View list
13 107055337 Bester, E (Ethan) 2 0.0 0 0 2 0.0 1396.2 -425.0 971.2 View list
14 103004868 Claassen, J (Jean-Daniel) 2 0.0 0 0 2 0.0 1396.2 -425.0 971.2 View list
15 108064849 Ziegenhagen, V (Vian Luke) 2 0.0 0 0 2 0.0 1387.8 -425.0 962.8 View list
16 104087736 Difotso, T (Tshegofatso) 1 1.0 1 0 0 100.0 1392.5 425.0 1817.5 View list
17 110086011 Felix, R (Raphael) 1 1.0 1 0 0 100.0 1431.8 425.0 1856.8 View list
18 208073206 Fauconier, A (Amber) 1 1.0 1 0 0 100.0 1368.3 425.0 1793.3 View list
19 100085252 Collet, M (Manzungu) 1 1.0 1 0 0 100.0 1369.4 425.0 1794.4 View list
20 203004851 Claassen, A (Anke) 1 1.0 1 0 0 100.0 1345.4 425.0 1770.4 View list